What's in SHAWNEE MUNICIPAL AUTHORITY's water?
SHAWNEE MUNICIPAL AUTHORITY had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 29,990 people through 13,772 service connections.
SHAWNEE MUNICIPAL AUTHORITY's record against the rest of the country
83 total violations and 66 health-based ones put SHAWNEE MUNICIPAL AUTHORITY at the 99th percentile nationally for violation burden, rank 170 of 12,903.
How SHAWNEE MUNICIPAL AUTHORITY compares within OK
Among the 240 OK systems in this dataset, the average is 39.5 health-based violations - SHAWNEE MUNICIPAL AUTHORITY's 66 is above that. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for SHAWNEE MUNICIPAL AUTHORITY is from 2026-01-02 (health-based: 2025-01-10). Last reported to EPA: 05/13/2026.
What kind of problem, specifically
SHAWNEE MUNICIPAL AUTHORITY's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Interim Enhanced Surface Water Treatment Rule; Surface Water Treatment Rule
- Synthetic organic chemicals / pesticides / VOCs - flagged from: CARBON, TOTAL
- Disinfection byproducts - flagged from: TTHM; Total Haloacetic Acids (HAA5)
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
This is what SHAWNEE MUNICIPAL AUTHORITY reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. This record - 66 health-based violations on file for SHAWNEE MUNICIPAL AUTHORITY - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.